Pipe insulation



FIG. 1 is a front perspective view of two lengths of pipe insulationhaving inter-connecting ends in a view showing male ends thereof;

FIG. 2 is a rear perspective view of two lengths of pipe insulationhaving inter-connecting ends in a view showing female ends thereof;

FIG. 3 is an end view of pipe insulation as a form having two halves asan outer layer; and,

FIG. 4 is a side view of two lengths of pipe insulation havinginter-connecting ends.

The dashed broken lines shown in the drawings depict environmentalsubject matter that form no part of the claim.

The pipe insulation is shown with a symbolic break in its length. Theappearance of any portion of the pipe insulation between the break linesforms no part of the claim.

CLAIM The ornamental design for a pipe insulation, as shown anddescribed.